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fidl_test_powerelementrunner/
fidl_test_powerelementrunner.rs

1// WARNING: This file is machine generated by fidlgen.
2
3#![warn(clippy::all)]
4#![allow(unused_parens, unused_mut, unused_imports, nonstandard_style)]
5
6use bitflags::bitflags;
7use fidl::client::QueryResponseFut;
8use fidl::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
9use fidl::endpoints::{ControlHandle as _, Responder as _};
10pub use fidl_test_powerelementrunner__common::*;
11use futures::future::{self, MaybeDone, TryFutureExt};
12use zx_status;
13
14#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
15pub struct ControlStartRequest {
16    pub element_name: String,
17    pub initial_current_level: u8,
18    pub element_runner: fidl::endpoints::ServerEnd<fidl_fuchsia_power_broker::ElementRunnerMarker>,
19}
20
21impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect> for ControlStartRequest {}
22
23#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
24pub struct ControlMarker;
25
26impl fidl::endpoints::ProtocolMarker for ControlMarker {
27    type Proxy = ControlProxy;
28    type RequestStream = ControlRequestStream;
29    #[cfg(target_os = "fuchsia")]
30    type SynchronousProxy = ControlSynchronousProxy;
31
32    const DEBUG_NAME: &'static str = "test.powerelementrunner.Control";
33}
34impl fidl::endpoints::DiscoverableProtocolMarker for ControlMarker {}
35pub type ControlStartResult = Result<(), StartPowerElementError>;
36
37pub trait ControlProxyInterface: Send + Sync {
38    type StartResponseFut: std::future::Future<Output = Result<ControlStartResult, fidl::Error>>
39        + Send;
40    fn r#start(
41        &self,
42        element_name: &str,
43        initial_current_level: u8,
44        element_runner: fidl::endpoints::ServerEnd<fidl_fuchsia_power_broker::ElementRunnerMarker>,
45    ) -> Self::StartResponseFut;
46}
47#[derive(Debug)]
48#[cfg(target_os = "fuchsia")]
49pub struct ControlSynchronousProxy {
50    client: fidl::client::sync::Client,
51}
52
53#[cfg(target_os = "fuchsia")]
54impl fidl::endpoints::SynchronousProxy for ControlSynchronousProxy {
55    type Proxy = ControlProxy;
56    type Protocol = ControlMarker;
57
58    fn from_channel(inner: fidl::Channel) -> Self {
59        Self::new(inner)
60    }
61
62    fn into_channel(self) -> fidl::Channel {
63        self.client.into_channel()
64    }
65
66    fn as_channel(&self) -> &fidl::Channel {
67        self.client.as_channel()
68    }
69}
70
71#[cfg(target_os = "fuchsia")]
72impl ControlSynchronousProxy {
73    pub fn new(channel: fidl::Channel) -> Self {
74        Self { client: fidl::client::sync::Client::new(channel) }
75    }
76
77    pub fn into_channel(self) -> fidl::Channel {
78        self.client.into_channel()
79    }
80
81    /// Waits until an event arrives and returns it. It is safe for other
82    /// threads to make concurrent requests while waiting for an event.
83    pub fn wait_for_event(
84        &self,
85        deadline: zx::MonotonicInstant,
86    ) -> Result<ControlEvent, fidl::Error> {
87        ControlEvent::decode(self.client.wait_for_event::<ControlMarker>(deadline)?)
88    }
89
90    pub fn r#start(
91        &self,
92        mut element_name: &str,
93        mut initial_current_level: u8,
94        mut element_runner: fidl::endpoints::ServerEnd<
95            fidl_fuchsia_power_broker::ElementRunnerMarker,
96        >,
97        ___deadline: zx::MonotonicInstant,
98    ) -> Result<ControlStartResult, fidl::Error> {
99        let _response =
100            self.client
101                .send_query::<ControlStartRequest, fidl::encoding::FlexibleResultType<
102                    fidl::encoding::EmptyStruct,
103                    StartPowerElementError,
104                >, ControlMarker>(
105                    (element_name, initial_current_level, element_runner),
106                    0x3e14e93b8fd19ea6,
107                    fidl::encoding::DynamicFlags::FLEXIBLE,
108                    ___deadline,
109                )?
110                .into_result::<ControlMarker>("start")?;
111        Ok(_response.map(|x| x))
112    }
113}
114
115#[cfg(target_os = "fuchsia")]
116impl From<ControlSynchronousProxy> for zx::NullableHandle {
117    fn from(value: ControlSynchronousProxy) -> Self {
118        value.into_channel().into()
119    }
120}
121
122#[cfg(target_os = "fuchsia")]
123impl From<fidl::Channel> for ControlSynchronousProxy {
124    fn from(value: fidl::Channel) -> Self {
125        Self::new(value)
126    }
127}
128
129#[cfg(target_os = "fuchsia")]
130impl fidl::endpoints::FromClient for ControlSynchronousProxy {
131    type Protocol = ControlMarker;
132
133    fn from_client(value: fidl::endpoints::ClientEnd<ControlMarker>) -> Self {
134        Self::new(value.into_channel())
135    }
136}
137
138#[derive(Debug, Clone)]
139pub struct ControlProxy {
140    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
141}
142
143impl fidl::endpoints::Proxy for ControlProxy {
144    type Protocol = ControlMarker;
145
146    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
147        Self::new(inner)
148    }
149
150    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
151        self.client.into_channel().map_err(|client| Self { client })
152    }
153
154    fn as_channel(&self) -> &::fidl::AsyncChannel {
155        self.client.as_channel()
156    }
157}
158
159impl ControlProxy {
160    /// Create a new Proxy for test.powerelementrunner/Control.
161    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
162        let protocol_name = <ControlMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
163        Self { client: fidl::client::Client::new(channel, protocol_name) }
164    }
165
166    /// Get a Stream of events from the remote end of the protocol.
167    ///
168    /// # Panics
169    ///
170    /// Panics if the event stream was already taken.
171    pub fn take_event_stream(&self) -> ControlEventStream {
172        ControlEventStream { event_receiver: self.client.take_event_receiver() }
173    }
174
175    pub fn r#start(
176        &self,
177        mut element_name: &str,
178        mut initial_current_level: u8,
179        mut element_runner: fidl::endpoints::ServerEnd<
180            fidl_fuchsia_power_broker::ElementRunnerMarker,
181        >,
182    ) -> fidl::client::QueryResponseFut<
183        ControlStartResult,
184        fidl::encoding::DefaultFuchsiaResourceDialect,
185    > {
186        ControlProxyInterface::r#start(self, element_name, initial_current_level, element_runner)
187    }
188}
189
190impl ControlProxyInterface for ControlProxy {
191    type StartResponseFut = fidl::client::QueryResponseFut<
192        ControlStartResult,
193        fidl::encoding::DefaultFuchsiaResourceDialect,
194    >;
195    fn r#start(
196        &self,
197        mut element_name: &str,
198        mut initial_current_level: u8,
199        mut element_runner: fidl::endpoints::ServerEnd<
200            fidl_fuchsia_power_broker::ElementRunnerMarker,
201        >,
202    ) -> Self::StartResponseFut {
203        fn _decode(
204            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
205        ) -> Result<ControlStartResult, fidl::Error> {
206            let _response = fidl::client::decode_transaction_body::<
207                fidl::encoding::FlexibleResultType<
208                    fidl::encoding::EmptyStruct,
209                    StartPowerElementError,
210                >,
211                fidl::encoding::DefaultFuchsiaResourceDialect,
212                0x3e14e93b8fd19ea6,
213            >(_buf?)?
214            .into_result::<ControlMarker>("start")?;
215            Ok(_response.map(|x| x))
216        }
217        self.client.send_query_and_decode::<ControlStartRequest, ControlStartResult>(
218            (element_name, initial_current_level, element_runner),
219            0x3e14e93b8fd19ea6,
220            fidl::encoding::DynamicFlags::FLEXIBLE,
221            _decode,
222        )
223    }
224}
225
226pub struct ControlEventStream {
227    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
228}
229
230impl std::marker::Unpin for ControlEventStream {}
231
232impl futures::stream::FusedStream for ControlEventStream {
233    fn is_terminated(&self) -> bool {
234        self.event_receiver.is_terminated()
235    }
236}
237
238impl futures::Stream for ControlEventStream {
239    type Item = Result<ControlEvent, fidl::Error>;
240
241    fn poll_next(
242        mut self: std::pin::Pin<&mut Self>,
243        cx: &mut std::task::Context<'_>,
244    ) -> std::task::Poll<Option<Self::Item>> {
245        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
246            &mut self.event_receiver,
247            cx
248        )?) {
249            Some(buf) => std::task::Poll::Ready(Some(ControlEvent::decode(buf))),
250            None => std::task::Poll::Ready(None),
251        }
252    }
253}
254
255#[derive(Debug)]
256pub enum ControlEvent {
257    #[non_exhaustive]
258    _UnknownEvent {
259        /// Ordinal of the event that was sent.
260        ordinal: u64,
261    },
262}
263
264impl ControlEvent {
265    /// Decodes a message buffer as a [`ControlEvent`].
266    fn decode(
267        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
268    ) -> Result<ControlEvent, fidl::Error> {
269        let (bytes, _handles) = buf.split_mut();
270        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
271        debug_assert_eq!(tx_header.tx_id, 0);
272        match tx_header.ordinal {
273            _ if tx_header.dynamic_flags().contains(fidl::encoding::DynamicFlags::FLEXIBLE) => {
274                Ok(ControlEvent::_UnknownEvent { ordinal: tx_header.ordinal })
275            }
276            _ => Err(fidl::Error::UnknownOrdinal {
277                ordinal: tx_header.ordinal,
278                protocol_name: <ControlMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
279            }),
280        }
281    }
282}
283
284/// A Stream of incoming requests for test.powerelementrunner/Control.
285pub struct ControlRequestStream {
286    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
287    is_terminated: bool,
288}
289
290impl std::marker::Unpin for ControlRequestStream {}
291
292impl futures::stream::FusedStream for ControlRequestStream {
293    fn is_terminated(&self) -> bool {
294        self.is_terminated
295    }
296}
297
298impl fidl::endpoints::RequestStream for ControlRequestStream {
299    type Protocol = ControlMarker;
300    type ControlHandle = ControlControlHandle;
301
302    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
303        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
304    }
305
306    fn control_handle(&self) -> Self::ControlHandle {
307        ControlControlHandle { inner: self.inner.clone() }
308    }
309
310    fn into_inner(
311        self,
312    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
313    {
314        (self.inner, self.is_terminated)
315    }
316
317    fn from_inner(
318        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
319        is_terminated: bool,
320    ) -> Self {
321        Self { inner, is_terminated }
322    }
323}
324
325impl futures::Stream for ControlRequestStream {
326    type Item = Result<ControlRequest, fidl::Error>;
327
328    fn poll_next(
329        mut self: std::pin::Pin<&mut Self>,
330        cx: &mut std::task::Context<'_>,
331    ) -> std::task::Poll<Option<Self::Item>> {
332        let this = &mut *self;
333        if this.inner.check_shutdown(cx) {
334            this.is_terminated = true;
335            return std::task::Poll::Ready(None);
336        }
337        if this.is_terminated {
338            panic!("polled ControlRequestStream after completion");
339        }
340        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
341            |bytes, handles| {
342                match this.inner.channel().read_etc(cx, bytes, handles) {
343                    std::task::Poll::Ready(Ok(())) => {}
344                    std::task::Poll::Pending => return std::task::Poll::Pending,
345                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
346                        this.is_terminated = true;
347                        return std::task::Poll::Ready(None);
348                    }
349                    std::task::Poll::Ready(Err(e)) => {
350                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
351                            e.into(),
352                        ))));
353                    }
354                }
355
356                // A message has been received from the channel
357                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
358
359                std::task::Poll::Ready(Some(match header.ordinal {
360                    0x3e14e93b8fd19ea6 => {
361                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
362                        let mut req = fidl::new_empty!(
363                            ControlStartRequest,
364                            fidl::encoding::DefaultFuchsiaResourceDialect
365                        );
366                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ControlStartRequest>(&header, _body_bytes, handles, &mut req)?;
367                        let control_handle = ControlControlHandle { inner: this.inner.clone() };
368                        Ok(ControlRequest::Start {
369                            element_name: req.element_name,
370                            initial_current_level: req.initial_current_level,
371                            element_runner: req.element_runner,
372
373                            responder: ControlStartResponder {
374                                control_handle: std::mem::ManuallyDrop::new(control_handle),
375                                tx_id: header.tx_id,
376                            },
377                        })
378                    }
379                    _ if header.tx_id == 0
380                        && header
381                            .dynamic_flags()
382                            .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
383                    {
384                        Ok(ControlRequest::_UnknownMethod {
385                            ordinal: header.ordinal,
386                            control_handle: ControlControlHandle { inner: this.inner.clone() },
387                            method_type: fidl::MethodType::OneWay,
388                        })
389                    }
390                    _ if header
391                        .dynamic_flags()
392                        .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
393                    {
394                        this.inner.send_framework_err(
395                            fidl::encoding::FrameworkErr::UnknownMethod,
396                            header.tx_id,
397                            header.ordinal,
398                            header.dynamic_flags(),
399                            (bytes, handles),
400                        )?;
401                        Ok(ControlRequest::_UnknownMethod {
402                            ordinal: header.ordinal,
403                            control_handle: ControlControlHandle { inner: this.inner.clone() },
404                            method_type: fidl::MethodType::TwoWay,
405                        })
406                    }
407                    _ => Err(fidl::Error::UnknownOrdinal {
408                        ordinal: header.ordinal,
409                        protocol_name:
410                            <ControlMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
411                    }),
412                }))
413            },
414        )
415    }
416}
417
418#[derive(Debug)]
419pub enum ControlRequest {
420    Start {
421        element_name: String,
422        initial_current_level: u8,
423        element_runner: fidl::endpoints::ServerEnd<fidl_fuchsia_power_broker::ElementRunnerMarker>,
424        responder: ControlStartResponder,
425    },
426    /// An interaction was received which does not match any known method.
427    #[non_exhaustive]
428    _UnknownMethod {
429        /// Ordinal of the method that was called.
430        ordinal: u64,
431        control_handle: ControlControlHandle,
432        method_type: fidl::MethodType,
433    },
434}
435
436impl ControlRequest {
437    #[allow(irrefutable_let_patterns)]
438    pub fn into_start(
439        self,
440    ) -> Option<(
441        String,
442        u8,
443        fidl::endpoints::ServerEnd<fidl_fuchsia_power_broker::ElementRunnerMarker>,
444        ControlStartResponder,
445    )> {
446        if let ControlRequest::Start {
447            element_name,
448            initial_current_level,
449            element_runner,
450            responder,
451        } = self
452        {
453            Some((element_name, initial_current_level, element_runner, responder))
454        } else {
455            None
456        }
457    }
458
459    /// Name of the method defined in FIDL
460    pub fn method_name(&self) -> &'static str {
461        match *self {
462            ControlRequest::Start { .. } => "start",
463            ControlRequest::_UnknownMethod { method_type: fidl::MethodType::OneWay, .. } => {
464                "unknown one-way method"
465            }
466            ControlRequest::_UnknownMethod { method_type: fidl::MethodType::TwoWay, .. } => {
467                "unknown two-way method"
468            }
469        }
470    }
471}
472
473#[derive(Debug, Clone)]
474pub struct ControlControlHandle {
475    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
476}
477
478impl fidl::endpoints::ControlHandle for ControlControlHandle {
479    fn shutdown(&self) {
480        self.inner.shutdown()
481    }
482
483    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
484        self.inner.shutdown_with_epitaph(status)
485    }
486
487    fn is_closed(&self) -> bool {
488        self.inner.channel().is_closed()
489    }
490    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
491        self.inner.channel().on_closed()
492    }
493
494    #[cfg(target_os = "fuchsia")]
495    fn signal_peer(
496        &self,
497        clear_mask: zx::Signals,
498        set_mask: zx::Signals,
499    ) -> Result<(), zx_status::Status> {
500        use fidl::Peered;
501        self.inner.channel().signal_peer(clear_mask, set_mask)
502    }
503}
504
505impl ControlControlHandle {}
506
507#[must_use = "FIDL methods require a response to be sent"]
508#[derive(Debug)]
509pub struct ControlStartResponder {
510    control_handle: std::mem::ManuallyDrop<ControlControlHandle>,
511    tx_id: u32,
512}
513
514/// Set the the channel to be shutdown (see [`ControlControlHandle::shutdown`])
515/// if the responder is dropped without sending a response, so that the client
516/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
517impl std::ops::Drop for ControlStartResponder {
518    fn drop(&mut self) {
519        self.control_handle.shutdown();
520        // Safety: drops once, never accessed again
521        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
522    }
523}
524
525impl fidl::endpoints::Responder for ControlStartResponder {
526    type ControlHandle = ControlControlHandle;
527
528    fn control_handle(&self) -> &ControlControlHandle {
529        &self.control_handle
530    }
531
532    fn drop_without_shutdown(mut self) {
533        // Safety: drops once, never accessed again due to mem::forget
534        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
535        // Prevent Drop from running (which would shut down the channel)
536        std::mem::forget(self);
537    }
538}
539
540impl ControlStartResponder {
541    /// Sends a response to the FIDL transaction.
542    ///
543    /// Sets the channel to shutdown if an error occurs.
544    pub fn send(self, mut result: Result<(), StartPowerElementError>) -> Result<(), fidl::Error> {
545        let _result = self.send_raw(result);
546        if _result.is_err() {
547            self.control_handle.shutdown();
548        }
549        self.drop_without_shutdown();
550        _result
551    }
552
553    /// Similar to "send" but does not shutdown the channel if an error occurs.
554    pub fn send_no_shutdown_on_err(
555        self,
556        mut result: Result<(), StartPowerElementError>,
557    ) -> Result<(), fidl::Error> {
558        let _result = self.send_raw(result);
559        self.drop_without_shutdown();
560        _result
561    }
562
563    fn send_raw(&self, mut result: Result<(), StartPowerElementError>) -> Result<(), fidl::Error> {
564        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
565            fidl::encoding::EmptyStruct,
566            StartPowerElementError,
567        >>(
568            fidl::encoding::FlexibleResult::new(result),
569            self.tx_id,
570            0x3e14e93b8fd19ea6,
571            fidl::encoding::DynamicFlags::FLEXIBLE,
572        )
573    }
574}
575
576mod internal {
577    use super::*;
578
579    impl fidl::encoding::ResourceTypeMarker for ControlStartRequest {
580        type Borrowed<'a> = &'a mut Self;
581        fn take_or_borrow<'a>(
582            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
583        ) -> Self::Borrowed<'a> {
584            value
585        }
586    }
587
588    unsafe impl fidl::encoding::TypeMarker for ControlStartRequest {
589        type Owned = Self;
590
591        #[inline(always)]
592        fn inline_align(_context: fidl::encoding::Context) -> usize {
593            8
594        }
595
596        #[inline(always)]
597        fn inline_size(_context: fidl::encoding::Context) -> usize {
598            24
599        }
600    }
601
602    unsafe impl
603        fidl::encoding::Encode<ControlStartRequest, fidl::encoding::DefaultFuchsiaResourceDialect>
604        for &mut ControlStartRequest
605    {
606        #[inline]
607        unsafe fn encode(
608            self,
609            encoder: &mut fidl::encoding::Encoder<
610                '_,
611                fidl::encoding::DefaultFuchsiaResourceDialect,
612            >,
613            offset: usize,
614            _depth: fidl::encoding::Depth,
615        ) -> fidl::Result<()> {
616            encoder.debug_check_bounds::<ControlStartRequest>(offset);
617            // Delegate to tuple encoding.
618            fidl::encoding::Encode::<
619                ControlStartRequest,
620                fidl::encoding::DefaultFuchsiaResourceDialect,
621            >::encode(
622                (
623                    <fidl::encoding::BoundedString<64> as fidl::encoding::ValueTypeMarker>::borrow(
624                        &self.element_name,
625                    ),
626                    <u8 as fidl::encoding::ValueTypeMarker>::borrow(&self.initial_current_level),
627                    <fidl::encoding::Endpoint<
628                        fidl::endpoints::ServerEnd<fidl_fuchsia_power_broker::ElementRunnerMarker>,
629                    > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
630                        &mut self.element_runner,
631                    ),
632                ),
633                encoder,
634                offset,
635                _depth,
636            )
637        }
638    }
639    unsafe impl<
640        T0: fidl::encoding::Encode<
641                fidl::encoding::BoundedString<64>,
642                fidl::encoding::DefaultFuchsiaResourceDialect,
643            >,
644        T1: fidl::encoding::Encode<u8, fidl::encoding::DefaultFuchsiaResourceDialect>,
645        T2: fidl::encoding::Encode<
646                fidl::encoding::Endpoint<
647                    fidl::endpoints::ServerEnd<fidl_fuchsia_power_broker::ElementRunnerMarker>,
648                >,
649                fidl::encoding::DefaultFuchsiaResourceDialect,
650            >,
651    > fidl::encoding::Encode<ControlStartRequest, fidl::encoding::DefaultFuchsiaResourceDialect>
652        for (T0, T1, T2)
653    {
654        #[inline]
655        unsafe fn encode(
656            self,
657            encoder: &mut fidl::encoding::Encoder<
658                '_,
659                fidl::encoding::DefaultFuchsiaResourceDialect,
660            >,
661            offset: usize,
662            depth: fidl::encoding::Depth,
663        ) -> fidl::Result<()> {
664            encoder.debug_check_bounds::<ControlStartRequest>(offset);
665            // Zero out padding regions. There's no need to apply masks
666            // because the unmasked parts will be overwritten by fields.
667            unsafe {
668                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(16);
669                (ptr as *mut u64).write_unaligned(0);
670            }
671            // Write the fields.
672            self.0.encode(encoder, offset + 0, depth)?;
673            self.1.encode(encoder, offset + 16, depth)?;
674            self.2.encode(encoder, offset + 20, depth)?;
675            Ok(())
676        }
677    }
678
679    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
680        for ControlStartRequest
681    {
682        #[inline(always)]
683        fn new_empty() -> Self {
684            Self {
685                element_name: fidl::new_empty!(
686                    fidl::encoding::BoundedString<64>,
687                    fidl::encoding::DefaultFuchsiaResourceDialect
688                ),
689                initial_current_level: fidl::new_empty!(
690                    u8,
691                    fidl::encoding::DefaultFuchsiaResourceDialect
692                ),
693                element_runner: fidl::new_empty!(
694                    fidl::encoding::Endpoint<
695                        fidl::endpoints::ServerEnd<fidl_fuchsia_power_broker::ElementRunnerMarker>,
696                    >,
697                    fidl::encoding::DefaultFuchsiaResourceDialect
698                ),
699            }
700        }
701
702        #[inline]
703        unsafe fn decode(
704            &mut self,
705            decoder: &mut fidl::encoding::Decoder<
706                '_,
707                fidl::encoding::DefaultFuchsiaResourceDialect,
708            >,
709            offset: usize,
710            _depth: fidl::encoding::Depth,
711        ) -> fidl::Result<()> {
712            decoder.debug_check_bounds::<Self>(offset);
713            // Verify that padding bytes are zero.
714            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(16) };
715            let padval = unsafe { (ptr as *const u64).read_unaligned() };
716            let mask = 0xffffff00u64;
717            let maskedval = padval & mask;
718            if maskedval != 0 {
719                return Err(fidl::Error::NonZeroPadding {
720                    padding_start: offset + 16 + ((mask as u64).trailing_zeros() / 8) as usize,
721                });
722            }
723            fidl::decode!(
724                fidl::encoding::BoundedString<64>,
725                fidl::encoding::DefaultFuchsiaResourceDialect,
726                &mut self.element_name,
727                decoder,
728                offset + 0,
729                _depth
730            )?;
731            fidl::decode!(
732                u8,
733                fidl::encoding::DefaultFuchsiaResourceDialect,
734                &mut self.initial_current_level,
735                decoder,
736                offset + 16,
737                _depth
738            )?;
739            fidl::decode!(
740                fidl::encoding::Endpoint<
741                    fidl::endpoints::ServerEnd<fidl_fuchsia_power_broker::ElementRunnerMarker>,
742                >,
743                fidl::encoding::DefaultFuchsiaResourceDialect,
744                &mut self.element_runner,
745                decoder,
746                offset + 20,
747                _depth
748            )?;
749            Ok(())
750        }
751    }
752}